This revised Special Airworthiness Information Bulletin (SAIB) alerts you, owners, operators, and certificated repair facilities, of any propeller, or any propeller component parts, repaired, inspected, or overhauled by Western Aircraft Propeller Service, Inc. (WAP) (Air Agency Certificate #FQ6R544N) of a revision to SAIB NE-09-48. At this time, the airworthiness concern is not an unsafe condition that would warrant airworthiness directive action under Title 14 of the Code of Federal Regulations (14 CFR) part 39.